{"product_id":"walker-exhaust-muffler-18451","title":"WALKER - Exhaust Muffler - 18451","description":"\u003ch2 data-start=\"317\" data-end=\"339\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"341\" data-end=\"652\"\u003eThe WALKER 18451 SoundFX® Exhaust Muffler is an OE-style, direct-fit replacement engineered for 1995–1999 GM mid-size SUVs. Built from \u003cstrong data-start=\"476\" data-end=\"501\"\u003e100% aluminized steel\u003c\/strong\u003e, it provides significantly greater durability than low-carbon steel alternatives while delivering reliable acoustic performance and long service life.\u003c\/p\u003e\n\u003cp data-start=\"654\" data-end=\"967\"\u003eInternal mechanically joined tubes, OE-style baffling, and a moisture-reducing drainage system help maintain structural integrity while producing a factory-correct exhaust tone. Designed for easy installation, the 18451 includes OE-style pipe routing and a 3-bolt welded flange for a secure, leak-free connection.\u003c\/p\u003e\n\u003cp data-start=\"969\" data-end=\"1160\"\u003eThis premium-grade replacement muffler restores original exhaust performance and sound quality for Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada models equipped with the 4.3L V6 engine.\u003c\/p\u003e\n\u003chr data-start=\"1162\" data-end=\"1165\"\u003e\n\u003ch2 data-start=\"1167\" data-end=\"1182\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1184\" data-end=\"1693\"\u003e\n\u003cli data-start=\"1184\" data-end=\"1260\"\u003e\n\u003cp data-start=\"1186\" data-end=\"1260\"\u003e\u003cstrong data-start=\"1186\" data-end=\"1219\"\u003eAluminized Steel Construction\u003c\/strong\u003e for corrosion resistance and longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1261\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1263\" data-end=\"1337\"\u003e\u003cstrong data-start=\"1263\" data-end=\"1289\"\u003eDirect-Fit Replacement\u003c\/strong\u003e with OE-style hangers, flanges \u0026amp; pipe routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1338\" data-end=\"1417\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1417\"\u003e\u003cstrong data-start=\"1340\" data-end=\"1389\"\u003eSpun-Locked Heads \u0026amp; Mechanically Joined Tubes\u003c\/strong\u003e for structural durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1418\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1420\" data-end=\"1489\"\u003e\u003cstrong data-start=\"1420\" data-end=\"1447\"\u003eOE-Style Louvered Tubes\u003c\/strong\u003e for reduced noise and factory-like tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1490\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1492\" data-end=\"1549\"\u003e\u003cstrong data-start=\"1492\" data-end=\"1520\"\u003eInternal Drainage System\u003c\/strong\u003e minimizes moisture buildup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1550\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1552\" data-end=\"1618\"\u003e\u003cstrong data-start=\"1552\" data-end=\"1580\"\u003ePremium Acoustic Control\u003c\/strong\u003e engineered for OE-style performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1619\" data-end=\"1693\"\u003e\n\u003cp data-start=\"1621\" data-end=\"1693\"\u003e\u003cstrong data-start=\"1621\" data-end=\"1642\"\u003eDesigned \u0026amp; Tested\u003c\/strong\u003e to extend service life and reduce radiated noise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1695\" data-end=\"1698\"\u003e\n\u003ch2 data-start=\"1700\" data-end=\"1727\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1729\" data-end=\"2306\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1729\" data-end=\"1755\"\u003e\n\u003ctr data-start=\"1729\" data-end=\"1755\"\u003e\n\u003cth data-start=\"1729\" data-end=\"1745\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1745\" data-end=\"1755\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1782\" data-end=\"2306\"\u003e\n\u003ctr data-start=\"1782\" data-end=\"1798\"\u003e\n\u003ctd data-start=\"1782\" data-end=\"1790\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1790\" data-end=\"1798\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1799\" data-end=\"1822\"\u003e\n\u003ctd data-start=\"1799\" data-end=\"1808\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1808\" data-end=\"1822\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1823\" data-end=\"1848\"\u003e\n\u003ctd data-start=\"1823\" data-end=\"1839\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1839\" data-end=\"1848\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1849\" data-end=\"1886\"\u003e\n\u003ctd data-start=\"1849\" data-end=\"1862\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1862\" data-end=\"1886\"\u003e3 Bolt Welded Flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1887\" data-end=\"1920\"\u003e\n\u003ctd data-start=\"1887\" data-end=\"1901\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1901\" data-end=\"1920\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1921\" data-end=\"1948\"\u003e\n\u003ctd data-start=\"1921\" data-end=\"1938\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1938\" data-end=\"1948\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1949\" data-end=\"1971\"\u003e\n\u003ctd data-start=\"1949\" data-end=\"1966\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1966\" data-end=\"1971\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1972\" data-end=\"2000\"\u003e\n\u003ctd data-start=\"1972\" data-end=\"1990\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1990\" data-end=\"2000\"\u003eCenter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2001\" data-end=\"2038\"\u003e\n\u003ctd data-start=\"2001\" data-end=\"2026\" data-col-size=\"sm\"\u003eOutlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2026\" data-end=\"2038\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2039\" data-end=\"2062\"\u003e\n\u003ctd data-start=\"2039\" data-end=\"2057\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2057\" data-end=\"2062\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2063\" data-end=\"2089\"\u003e\n\u003ctd data-start=\"2063\" data-end=\"2077\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2077\" data-end=\"2089\"\u003e5.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2090\" data-end=\"2117\"\u003e\n\u003ctd data-start=\"2090\" data-end=\"2104\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2104\" data-end=\"2117\"\u003e27.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2118\" data-end=\"2144\"\u003e\n\u003ctd data-start=\"2118\" data-end=\"2131\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2131\" data-end=\"2144\"\u003e11.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2145\" data-end=\"2175\"\u003e\n\u003ctd data-start=\"2145\" data-end=\"2162\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2162\" data-end=\"2175\"\u003e32.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2176\" data-end=\"2203\"\u003e\n\u003ctd data-start=\"2176\" data-end=\"2191\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2191\" data-end=\"2203\"\u003e3.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2204\" data-end=\"2223\"\u003e\n\u003ctd data-start=\"2204\" data-end=\"2217\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2217\" data-end=\"2223\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2224\" data-end=\"2240\"\u003e\n\u003ctd data-start=\"2224\" data-end=\"2234\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2234\" data-end=\"2240\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2241\" data-end=\"2281\"\u003e\n\u003ctd data-start=\"2241\" data-end=\"2269\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2269\" data-end=\"2281\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2282\" data-end=\"2306\"\u003e\n\u003ctd data-start=\"2282\" data-end=\"2295\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2295\" data-end=\"2306\"\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2308\" data-end=\"2311\"\u003e\n\u003ch2 data-start=\"2313\" data-end=\"2339\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2340\" data-end=\"2400\"\u003e\u003cem data-start=\"2340\" data-end=\"2400\"\u003e(One muffler required per vehicle unless otherwise noted.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2402\" data-end=\"2419\"\u003e\u003cstrong data-start=\"2406\" data-end=\"2419\"\u003eChevrolet\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2420\" data-end=\"2433\"\u003eBlazer\u003c\/h4\u003e\n\u003cul data-start=\"2434\" data-end=\"2471\"\u003e\n\u003cli data-start=\"2434\" data-end=\"2471\"\u003e\n\u003cp data-start=\"2436\" data-end=\"2471\"\u003e\u003cstrong data-start=\"2436\" data-end=\"2457\"\u003e4.3L V6 (262 cid)\u003c\/strong\u003e → 1995–1999\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2473\" data-end=\"2476\"\u003e\n\u003ch3 data-start=\"2478\" data-end=\"2489\"\u003e\u003cstrong data-start=\"2482\" data-end=\"2489\"\u003eGMC\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2490\" data-end=\"2502\"\u003eJimmy\u003c\/h4\u003e\n\u003cul data-start=\"2503\" data-end=\"2540\"\u003e\n\u003cli data-start=\"2503\" data-end=\"2540\"\u003e\n\u003cp data-start=\"2505\" data-end=\"2540\"\u003e\u003cstrong data-start=\"2505\" data-end=\"2526\"\u003e4.3L V6 (262 cid)\u003c\/strong\u003e → 1995–1999\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2542\" data-end=\"2545\"\u003e\n\u003ch3 data-start=\"2547\" data-end=\"2565\"\u003e\u003cstrong data-start=\"2551\" data-end=\"2565\"\u003eOldsmobile\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2566\" data-end=\"2580\"\u003eBravada\u003c\/h4\u003e\n\u003cul data-start=\"2581\" data-end=\"2618\"\u003e\n\u003cli data-start=\"2581\" data-end=\"2618\"\u003e\n\u003cp data-start=\"2583\" data-end=\"2618\"\u003e\u003cstrong data-start=\"2583\" data-end=\"2604\"\u003e4.3L V6 (262 cid)\u003c\/strong\u003e → 1996–1999\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2620\" data-end=\"2623\"\u003e\n\u003ch2 data-start=\"2625\" data-end=\"2657\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2659\" data-end=\"3014\"\u003e\n\u003cli data-start=\"2659\" data-end=\"2733\"\u003e\n\u003cp data-start=\"2661\" data-end=\"2733\"\u003eDirect-fit design with OE-style flange ensures simplified installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2734\" data-end=\"2792\"\u003e\n\u003cp data-start=\"2736\" data-end=\"2792\"\u003eNo welding required when matched to factory components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2793\" data-end=\"2870\"\u003e\n\u003cp data-start=\"2795\" data-end=\"2870\"\u003eAlways inspect exhaust hangers, clamps, and gaskets prior to installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2871\" data-end=\"2942\"\u003e\n\u003cp data-start=\"2873\" data-end=\"2942\"\u003eDesigned to restore original backpressure and sound characteristics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2943\" data-end=\"3014\"\u003e\n\u003cp data-start=\"2945\" data-end=\"3014\"\u003eFeatures aluminized steel for rust resistance and extended lifespan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45856166478023,"sku":"WAL18451","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21140438.png?v=1763762876","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-18451","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}